Gary Clauser, MD
NPI 1598773038 · Neurology Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Clauser, MD is a Neurology Physician provider in Allentown, PA (NPI 1598773038).
Provider details
- NPI number
- 1598773038
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD071824L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
303 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $91 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 74 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 53 | $73 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 49 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 211 | 54 |
| Donepezil Hcl | 152 | 47 |
| Nortriptyline Hcl | 85 | 24 |
| Baclofen | 70 | 17 |
| Dalfampridinebrand: Dalfampridine Er | 67 | — |
| Celecoxib | 52 | 15 |
| Tizanidine Hcl | 48 | 11 |
| Rimegepant Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70,949 across 52 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2016-01-08
Frequently asked questions
- What is Gary Clauser's NPI number?
- Gary Clauser's National Provider Identifier (NPI) is 1598773038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Clauser's specialty?
- Gary Clauser is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Clauser located?
- Gary Clauser's practice location on file with NPPES is 1250 S Cedar Crest Blvd, Allentown, PA 18103-6224.
- What is Gary Clauser's phone number?
- The practice phone number listed in the NPPES registry for Gary Clauser is (610) 402-8420.
- Does Gary Clauser accept Medicare?
- Gary Clauser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Clauser's NPI active?
- Yes — Gary Clauser's NPI (1598773038) is active in the NPPES registry as of the last update on 2016-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.